Ukraine has intensified its drone attacks on Russia, setting fire to a major oil refinery in the south and killing at least two people, according to Russian authorities.
KYIV, Ukraine (AP) — Ukraine kept up its heavy drone assault on Russia, setting fire to a major oil refinery in the south and killing at least two people, Russian authorities said Sunday.
Ukraine has markedly stepped up its long-range attacks on Russ... [2679 chars]